After bringing down the U.S.-EU Safe Harbor data transfer agreement, Max Schrems is turning his legal guns on the other mechanisms that enable the transatlantic commerce in Europeans’ personal information — and Facebook is in the line of fire again.

Schrems wants Ireland’s privacy watchdog to order Facebook to keep his data in Europe, along with that of other Europeans, and maintains that there is no legal basis on which it can safely export it to the U.S.